Promptfoo

Promptfoo is ranked #6 of 30 in AI LLM evaluation tools on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Promptfoo plans and pricing

All plans

Community Free 10k red-team probes/month · all LLM evaluation features · all model providers and integrations · run locally or self-host · community support promptfoo.dev · 3 Oct 2026

Enterprise Not published Custom pricing based on team size and needs Custom red-teaming limits · team sharing · continuous monitoring · SSO · API access · managed cloud deployment · priority support and SLA promptfoo.dev · 3 Oct 2026

On-Premise Not published Custom All Enterprise features · deployment on your infrastructure · complete data isolation · dedicated runner · assigned deployment engineer promptfoo.dev · 3 Oct 2026

Compared on AI LLM evaluation tools

Free plan: Yes

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Promptfoo

Product: Promptfoo helps developers and enterprises build secure, reliable AI applications.
Evaluations: Promptfoo evaluates prompts across multiple models and opens a web view for comparing outputs.
Red teaming: Its red teaming simulates users to find risks such as prompt injections, jailbreaks, data leaks, business rule violations, and insecure agent tool use.
Providers: The getting-started guide says Promptfoo supports 60+ providers, including OpenAI, Anthropic, Google, and local models such as Ollama.
Integrations: Listed integrations include GitHub Actions, GitLab CI, Jenkins, Azure Pipelines, CircleCI, Bitbucket Pipelines, Splunk, Burp Suite, Google Sheets, and MCP.
Deployment: The Community plan can run locally or be self-hosted, while Enterprise includes managed cloud deployment and On-Premise supports deployment on the customer’s infrastructure.
Security: The site displays SOC 2 and ISO 27001 certification badges.
Support: Community includes community support; Enterprise offers professional services, priority support, and SLA guarantees.
Usage limit: The Community plan includes 10k red-team probes per month; the pricing FAQ defines a probe as one request to the target system during red-team testing.
Installation: Promptfoo can be installed using npm, npx, or Homebrew, and the installation guide identifies Homebrew as supporting Mac and Linux.
Runtime requirement: Promptfoo requires Node.js 22.22.0 or newer, and recommends Node.js 24 LTS.
Company: Promptfoo says it is based in San Francisco, California, and is now part of OpenAI while remaining open source.
Founded: 2024
Price from: Free

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Where it ranks on The Geeks Club

Best AI LLM Evaluation Tools in 2026#6 of 30
Best AI Agent Evaluation Tools in 2026#8 of 29
Best LLM Evaluation Tools in 2026#2 of 29
Best AI Security Testing Tools in 2026#7 of 29
Best AI Red Teaming Tools in 2026#4 of 27
Best LLM Observability Tools in 2026#8 of 26
Best AI Prompt Management Software in 2026#4 of 25

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Sources

promptfoo.dev/about/· checked 3 Oct 2026
promptfoo.dev/docs/getting-started/· checked 3 Oct 2026
promptfoo.dev· checked 3 Oct 2026
promptfoo.dev/docs/category/integrations/· checked 3 Oct 2026
promptfoo.dev/pricing/· checked 3 Oct 2026
promptfoo.dev/docs/installation/· checked 3 Oct 2026